MK Diamond 157420 7" Plank Kutter Fiber Cement Siding Continuous Dry Blade - 5 Pack The item is Mk Diamond 157420 7" Plank Kutter&trade; Fiber Cement Siding Continuous Dry Blade Used for Power Tool Accessories, Blades - Other The product is manufactured in United States For cutting HardiPlank, wall board, and fiber cement siding Continuous dry diamond blade .080" blade thickness DM-5/8" arbor 7" blade